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Synonyms

negligent

American  
[neg-li-juhnt] / ˈnɛg lɪ dʒənt /

adjective

  1. guilty of or characterized by neglect, as of duty.

    negligent officials.

    Synonyms:
    neglectful
  2. lazily careless; offhand.

    a negligent wave of his manicured hand.


negligent British  
/ ˈnɛɡlɪdʒənt /

adjective

  1. habitually neglecting duties, responsibilities, etc; lacking attention, care, or concern; neglectful

  2. careless or nonchalant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Etymology

Origin of negligent

First recorded in 1350–1400; Middle English, variant of necligent, from Latin necligent-, negligent-, stem of negligēns “disregarding,” present participle of negligere, variant of neglegere “to disregard, ignore, slight”; see neglect

Explanation

Use negligent when you want to describe someone who just doesn't give a hoot. You can be negligent at work if you let the work pile up while you play computer games, or you can be negligent at home if you haven't fed your fish for six days straight. The adjective negligent comes from the Latin word neglegentia, meaning "carelessness." Other words that share the same roots include the noun negligence and neglect — which has both noun and verb forms. All three words have meanings that imply the same sort of thing — a lack of attention to the well being of something or someone.

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Vocabulary lists containing negligent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Erickson, 58, was in a separate AMG Mercedes SUV ahead of Grossman’s vehicle and was also found negligent in the deadly crash.

From Los Angeles Times • Jun. 6, 2026

A widow whose husband was killed in a car accident by a negligent driver but who could not bring a lawsuit because of a federal statute preserving governmental immunity.

From Slate • Jun. 2, 2026

It would be negligent to write about Arsenal beating a direct opponent without mentioning their most effective tool this season.

From BBC • May 30, 2026

Since 2013, a host of parliamentary inquiries has found the authorities negligent and in some cases complicit.

From Barron's • May 23, 2026

And so, Gordon, the intern, settled on negligent homicide, the toughest misdemeanor penalty, arguing that the two charges for reckless behavior are not “harsh enough to do justice to the outcome of the accident.”

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

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